Inventor · disambiguated record
Louis W. Johnson
Also filed as: JOHNSON LOUIS · JOHNSON LOUIS W · JOHNSON LOUIS WEIN
19 granted patents·495 citations·filing 1976–2017
96Inventor score
Top patents by PatentIndex Score
19 records- 0196US4192472ACone crusherJOHNSON LOUIS W·Filed 1978·Granted Mar 11, 1980·54 cites·40 claims
- 0292US4632751AShaker screenJOHNSON LOUIS W·Filed 1985·Granted Dec 30, 1986·75 cites·4 claims
- 0389US7048214B2Gyratory crusher with hydrostatic bearingsJOHNSON LOUIS WEIN·Filed 2002·Granted May 23, 2006·33 cites·37 claims
- 0488US4170549AVibrating screen apparatusJOHNSON LOUIS W·Filed 1977·Granted Oct 9, 1979·40 cites·13 claims
- 0586US4529510AShaker screenJOHNSON LOUIS W·Filed 1982·Granted Jul 16, 1985·42 cites·7 claims
- 0686US4065063AImpact crusherEL JAY INC·Filed 1976·Granted Dec 27, 1977·30 cites·16 claims
- 0783US4540178AGolf iron and method of constructionJOHNSON LOUIS W·Filed 1983·Granted Sep 10, 1985·57 cites·9 claims
- 0879US5323976ALift line connection for rock crusher componentsJOHNSON LOUIS W·Filed 1992·Granted Jun 28, 1994·30 cites·8 claims
- 0977US7077348B2Vertical shaft impactor with suspended impellerJOHNSON LOUIS WEIN·Filed 2003·Granted Jul 18, 2006·15 cites·7 claims
- 1075US4919349ADust seal for gyratory rock crushersJOHNSON LOUIS W·Filed 1989·Granted Apr 24, 1990·22 cites·17 claims
- 1161US5537765ADouble aperture tagARCH CROWN INC·Filed 1993·Granted Jul 23, 1996·35 cites·4 claims
- 1260US4454994ALoad bearing surfaceJOHNSON LOUIS W·Filed 1982·Granted Jun 19, 1984·16 cites·12 claims
- 1356US4603577AApparatus for determining the swing inertia of golf clubsJOHNSON LOUIS W·Filed 1984·Granted Aug 5, 1986·13 cites·8 claims
- 1453US9870912B2Mass spectrometers having real time ion isolation signal generators1ST DETECT CORP·Filed 2017·Granted Jan 16, 2018·0 cites·22 claims
- 1550US4919348ADust seal for gyratory rock crushersJOHNSON LOUIS W·Filed 1989·Granted Apr 24, 1990·10 cites·14 claims
- 1641US4571112AJoint assemblyJOHNSON LOUIS W·Filed 1984·Granted Feb 18, 1986·10 cites·9 claims
- 1741US4351490APower drive structure for rotating threadedly supported rock crusher bowlsJOHNSON LOUIS W·Filed 1980·Granted Sep 28, 1982·7 cites·9 claims
- 1839US4773604ASeat member for gyratory rock crusher bowlsJOHNSON LOUIS W·Filed 1987·Granted Sep 27, 1988·6 cites·2 claims
- 1930US4729911AWood golf club heads, process of treating them, and apparatusJOHNSON LOUIS W·Filed 1986·Granted Mar 8, 1988·0 cites·5 claims
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